Senior Backend Developer (Kotlin/Java) – Platform Scaling Specialist
Core
Design and implement scalable, service-oriented solutions in Kotlin and Java to transform a monolithic platform into a distributed system handling 10X growth in daily transaction volume.
Role type
Senior Backend Developer (Platform Scaling)
Builds
A unified SaaS platform for regulatory compliance and transaction reporting (EMIR, MiFIR, SFTR, REMIT, MAS, HKMA)
Domain
Financial Services / Regulatory Technology
Deliverable
production ML models | product features | infrastructure
Required skills
Java (21), Kotlin, distributed systems, message-driven architecture (Kafka), Kubernetes, CI/CD, infrastructure-as-code, legacy code refactoring, service-oriented architecture
Preferred skills
German language proficiency
Technologies
Kotlin, Java, Spring Framework, Micronaut, Apache Kafka, Apache Camel, Apache Artemis JMS, Hibernate, Kubernetes, Helm, REST, SOA
Responsibilities
Design and implement scalable, service-oriented solutions in Kotlin and Java; Refactor legacy components to improve system robustness under increasing loads; Collaborate to modernize architecture and build resilient, observable, horizontally scalable features
Seniority
Senior, hands-on IC
